CVE-2016-6489
HIGHCVSS 7.5/10EPSS 5.05%
Last modified
CVE-2016-6489 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The RSA and DSA decryption code in Nettle makes it easier for attackers to discover private keys via a cache side channel attack.. EPSS estimates a 5.05% chance of exploitation in the next 30 days.
Description
The RSA and DSA decryption code in Nettle makes it easier for attackers to discover private keys via a cache side channel attack.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Hpc Node | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
| Canonical | Ubuntu Linux | 12.04 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 16.10 |
| Nettle Project | Nettle | < 3.3 |
References
- http://rhn.redhat.com/errata/RHSA-2016-2582.htmlThird Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2016/07/29/7Mailing List, Patch, Third Party Advisory
- http://www.ubuntu.com/usn/USN-3193-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1362016Issue Tracking, Third Party Advisory, VDB Entry
- https://eprint.iacr.org/2016/596.pdfTechnical Description
- https://git.lysator.liu.se/nettle/nettle/commit/3fe1d6549765ecfb24f0b80b2ed086fdc818bff3Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201706-21Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2020.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2582.htmlThird Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2016/07/29/7Mailing List, Patch, Third Party Advisory
- http://www.ubuntu.com/usn/USN-3193-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1362016Issue Tracking, Third Party Advisory, VDB Entry
- https://eprint.iacr.org/2016/596.pdfTechnical Description
- https://git.lysator.liu.se/nettle/nettle/commit/3fe1d6549765ecfb24f0b80b2ed086fdc818bff3Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201706-21Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2020.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-6489?
The RSA and DSA decryption code in Nettle makes it easier for attackers to discover private keys via a cache side channel attack.
How severe is CVE-2016-6489?
CVE-2016-6489 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 5.05% probability of exploitation in the next 30 days.
How do I fix CVE-2016-6489?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2016-6489?
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Scan your code nowSource: NVD / NIST